Home / 39,223.26-58,842.18-12,929.86

Finding the Fourth Proportional to 39,223.26, 58,842.18 and 12,929.86

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Solution

The fourth proportional to 39,223.26, 58,842.18 and 12,929.86 is: 19,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,223.26 : 58,842.18 = 12,929.86 : x
  2. Step 2: Convert to fraction form
    39,223.26/58,842.18 = 12,929.86/x
  3. Step 3: Cross multiply
    39,223.26x = 58,842.18 × 12,929.86
  4. Step 4: Simplify right side
    39,223.26x = 760,821,149.49
  5. Step 5: Solve for x
    x = 760,821,149.49/39,223.26
  6. Step 6: Final answer
    x = 19,397.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.